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Green wire is the O2 sensor signal... 200 1991

posted by lucid on Wed Mar 16 10:46 CST 2011
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last visit: Fri Oct 24 12:31 CST 2014

[RELATED]

...You need to measure voltage on the Yel/Red from fuse 4 -- with motor running.

It's in a nearby 2-pin plug, with the other wire being Black to ground. Measure across those 2 socket terminals (unplugged) for the same voltage you saw ay fuse 4.

--
Bruce Young, '93 940-NA (current), 240s (one V8), 140s, 122s, since '63.

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ANSWERED 1991 240 Changed O2 still have code 212 [200]
posted by DEVO! subscriber on Tue Mar 15 09:24 CST 2011 >

ANSWER 1991 240 Changed O2 still have code 212 [200]
posted by Ron J subscriber on Tue Mar 15 09:41 CST 2011 > V
- 1991 240 Changed O2 still have code 212 [200]
  posted by DEVO! subscriber on Tue Mar 15 09:55 CST 2011 > V
  - 1991 240 Changed O2 still have code 212 [200]
    posted by Art Benstein subscriber on Tue Mar 15 10:26 CST 2011 > V
    - 1991 240 Changed O2 still have code 212 [200]
      posted by Ron J subscriber on Tue Mar 15 10:40 CST 2011 > V
      - 1991 240 Changed O2 still have code 212 [200]
        posted by Art Benstein subscriber on Tue Mar 15 11:08 CST 2011 > V
    - 1991 240 Changed O2 still have code 212 [200]
      posted by DEVO! subscriber on Tue Mar 15 10:44 CST 2011 > V
    - 1991 240 Changed O2 still have code 212 [200]
      posted by DEVO! subscriber on Tue Mar 15 10:46 CST 2011 > V
      - 1991 240 Changed O2 still have code 212 [200]
        posted by Art Benstein subscriber on Tue Mar 15 11:05 CST 2011 > V
        
        1991 240 Changed O2 still have code 212 [200]
        posted by DEVO! subscriber on Tue Mar 15 11:17 CST 2011 > V

1991 240 Changed O2 still have code 212 [200]
posted by DEVO! subscriber on Tue Mar 15 21:39 CST 2011 > V
- 1991 240 Changed O2 still have code 212 [200]
  posted by DEVO! subscriber on Wed Mar 16 09:34 CST 2011 > V
  - Green wire is the O2 sensor signal... [200][1991]
    posted by lucid subscriber on Wed Mar 16 10:46 CST 2011 > V
    - Green wire is the O2 sensor signal... [200][1991]
      posted by DEVO! subscriber on Wed Mar 16 11:32 CST 2011 > V
      - Green wire is the O2 sensor signal... [200][1991]
        posted by lucid subscriber on Wed Mar 16 12:34 CST 2011 > V
        
        Green wire is the O2 sensor signal... [200][1991]
        posted by DEVO! subscriber on Wed Mar 16 12:52 CST 2011 > V
        
        Green wire is NOT the O2 sensor signal... [200][1991]
        posted by lucid subscriber on Wed Mar 16 15:10 CST 2011 > V
        
        Green wire is the O2 sensor signal... [200][1991]
        posted by DEVO! subscriber on Wed Mar 16 15:16 CST 2011 > V
        
        Green wire voltage with sensor unplugged is... [200][1991]
        posted by runwld2 subscriber on Thu Mar 17 19:55 CST 2011 > V
        
        Green wire voltage with sensor unplugged is... [200][1991]
        posted by lucid subscriber on Fri Mar 18 06:48 CST 2011 > V
        
        Green wire voltage with sensor unplugged is... [200][1991]
        posted by Art Benstein subscriber on Fri Mar 18 07:24 CST 2011 > V
        
        Green wire voltage with sensor unplugged is... [200][1991]
        posted by lucid subscriber on Fri Mar 18 09:17 CST 2011 > V
        
        Green wire voltage with sensor unplugged is... [200][1991]
        posted by Art Benstein subscriber on Fri Mar 18 09:30 CST 2011 > V
        
        Green wire voltage with sensor unplugged is... [200][1991]
        posted by DEVO! subscriber on Fri Mar 18 09:24 CST 2011 > V

1991 240 Changed O2 still have code 212 [200]
posted by DEVO! subscriber on Wed Mar 16 09:32 CST 2011 > V

Fixed it!!!!!!!!!!!!!! [200]
posted by DEVO! subscriber on Wed Mar 16 20:10 CST 2011 > V

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Green wire is the O2 sensor signal... 200 1991